/*
 * EasyCamera
 *
 * Copyright (c) 2020.  Frezrik frezrik@126.com
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package com.frezrik.common.usb;

import android.content.Context;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.util.Log;

public class UsbCamera {

    /**
     * Usb camera is attach
     * @param context
     * @param vendorId
     * @param productId
     * @return
     */
    public static boolean isDeviceAttach(Context context, int vendorId, int productId) {
        UsbManager usbManager = (UsbManager) context.getApplicationContext().getSystemService(Context.USB_SERVICE);
        if (null == usbManager) {
            return true;
        }
        for (UsbDevice device : usbManager.getDeviceList().values()) {
            //Log.d("zmzm", device.toString());
            int vid = device.getVendorId();
            int pid = device.getProductId();
            if (vid == vendorId && pid == productId) {
                return true;
            }
        }
        return false;
    }
}
